137504139 has 8 divisors (see below), whose sum is σ = 183918480. Its totient is φ = 91379616.

The previous prime is 137504137. The next prime is 137504219. The reversal of 137504139 is 931405731.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 137504139 - 2¹ = 137504137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (137504131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71344 + ... + 73245.

It is an arithmetic number, because the mean of its divisors is an integer number (22989810).

Almost surely, 2^137504139 is an apocalyptic number.

137504139 is a deficient number, since it is larger than the sum of its proper divisors (46414341).

137504139 is a wasteful number, since it uses less digits than its factorization.

137504139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144909.

The product of its (nonzero) digits is 11340, while the sum is 33.

The square root of 137504139 is about 11726.2158857834. The cubic root of 137504139 is about 516.1452365943.

The spelling of 137504139 in words is "one hundred thirty-seven million, five hundred four thousand, one hundred thirty-nine".